Butte to Seoul time converter

Seoul is 15 hours ahead of Butte. When it is 9:00 AM in Butte, it is 12:00 AM (Tue, Oct 20) in Seoul.

Butte MDT

Monday, October 19, 2026

Seoul KST

Tuesday, October 20, 2026

Butte
Montana, United States
Mon, Oct 19
MDTUTC-6
Seoul
South Korea
Tue, Oct 20
KSTUTC+9+15h
Finding your time zone…
Shared working hours (9:00–18:00)

Butte to Seoul conversion table

Every hour of today in Butte and the matching time in Seoul. Light rows are typical working hours (9:00–18:00).

ButteSeoul
12:00 AM3:00 PM
1:00 AM4:00 PM
2:00 AM5:00 PM
3:00 AM6:00 PM
4:00 AM7:00 PM
5:00 AM8:00 PM
6:00 AM9:00 PM
7:00 AM10:00 PM
8:00 AM11:00 PM
9:00 AM12:00 AM+1 day
10:00 AM1:00 AM+1 day
11:00 AM2:00 AM+1 day
12:00 PM3:00 AM+1 day
1:00 PM4:00 AM+1 day
2:00 PM5:00 AM+1 day
3:00 PM6:00 AM+1 day
4:00 PM7:00 AM+1 day
5:00 PM8:00 AM+1 day
6:00 PM9:00 AM+1 day
7:00 PM10:00 AM+1 day
8:00 PM11:00 AM+1 day
9:00 PM12:00 PM+1 day
10:00 PM1:00 PM+1 day
11:00 PM2:00 PM+1 day

Best time to call or meet

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Butte (7:00 AM – 9:00 AM in Seoul): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Butte and Seoul switch clocks on different dates:

  • Oct 19, 2026 – Nov 1, 2026: +15h
  • Nov 1, 2026 – Mar 14, 2027: +16h
  • Mar 14, 2027 – Oct 19, 2027: +15h

Distance

Butte and Seoul are 8,989 km (5,586 miles) apart in a straight line.

More conversions

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New York to SeoulLondon to SeoulLos Angeles to SeoulChicago to SeoulToronto to SeoulSão Paulo to SeoulParis to SeoulBerlin to SeoulMoscow to SeoulDubai to SeoulNew Delhi to SeoulBangkok to Seoul

Questions and answers

What is the time difference between Butte and Seoul?

Seoul is 15 hours ahead of Butte.

What time is it in Seoul when it is 9 AM in Butte?

When it is 9:00 AM in Butte, it is 12:00 AM (Tue, Oct 20) in Seoul.

When is the best time to call Seoul from Butte?

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Butte (7:00 AM – 9:00 AM in Seoul): working hours on one side, early or late on the other.

Does the time difference between Butte and Seoul change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.